Physical Broadcast Channel to Support Reduced Capability User Equipment Bandwidth Reduction

2. The apparatus of claim 1, wherein the physical channel is a physical broadcast channel contained in a synchronization signal block.

3. The apparatus of claim 1, wherein the extension symbols comprise two orthogonal frequency division multiplexed symbols.

4. The apparatus of claim 3, wherein the second set of resource elements comprises 144 subcarriers.

5. The apparatus of claim 1, wherein the combination of a second portion of the physical channel occupying the second set of resource elements and the extension symbols is configured to convey a same information as the whole physical channel alone.

6. The apparatus of claim 5, wherein the transmitting the physical channel comprises transmitting the whole physical channel or only the second portion of the physical channel occupying the second set of resource elements.

7. The apparatus of claim 1, wherein the transmitting the physical channel and the extension symbols comprises transmitting the physical channel at a first periodicity and transmitting the extension symbols at a second periodicity higher than the first periodicity.

8. The apparatus of claim 1, wherein the transmitting the extension symbols comprises using orthogonal frequency division multiplexed symbol numbers determined according to a time domain transmission pattern of the synchronization signal block and a carrier frequency.

10. The apparatus of claim 9, wherein the notifying comprises, for a demodulation reference signal in the extension symbols, a pseudorandom sequence generator initialization at the start of each synchronization signal block occasion includes at least one information bit specific to low-complexity reduced capability user equipment.

12. The apparatus of claim 11, wherein the physical channel is a physical broadcast channel and the receiving the portion of the physical channel comprises receiving a portion of a synchronization signal block.

13. The apparatus of claim 11, the process further comprising: determining a presence of the extension symbols associated with the physical channel.

14. The apparatus of claim 12, wherein the receiving the replacement symbols comprises determining orthogonal frequency division multiplexed symbol numbers of the extension symbols according to a transmission pattern of the synchronization signal block and a carrier frequency.

15. The apparatus of claim 14, the process further comprising: determining a presence of the extension symbols associated with the physical channel, wherein the determining the presence of the extension symbols comprises detecting demodulation reference signals transmitted in the orthogonal frequency division multiplexed symbol numbers of the extension symbols.

17. The method of claim 16, further comprising: determining, by the user equipment, a presence of the extension symbols associated with the physical channel.

18. The method of claim 16, wherein the receiving the replacement symbols comprises determining orthogonal frequency division multiplexed symbol numbers of the extension symbols according to a transmission pattern of the synchronization signal block and a carrier frequency.

19. The method of claim 18, further comprising: determining a presence of the extension symbols associated with the physical channel, wherein the determining the presence of the extension symbols comprises detecting demodulation reference signals transmitted in the orthogonal frequency division multiplexed symbol numbers of the extension symbols.